... Iron: 1213, 12L14,12156. Aluminum: Al6061, Al60637.OEM according to your requestProducts Availablestamping parts, Pipes, Enrichment valve, electric ... yellow passivation, gold passivation, galvanizing, satin, etc.Processing Methodcnc machining, turning, milling, drilling, grinding, broaching, welding and ... air transportation or as requiredCertificateISO9001:2000 Car spare parts of stamping